package cn.it.ygh.controller;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;

import javax.annotation.Resource;
import javax.imageio.ImageIO;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.alibaba.fastjson.JSONArray;
import cn.it.ygh.annotation.SystemLog;
import cn.it.ygh.pojo.Admin;
import cn.it.ygh.pojo.Agent;
import cn.it.ygh.pojo.Log;
import cn.it.ygh.service.AdminService;
import cn.it.ygh.service.LogService;

@Controller
@RequestMapping("/admin")
public class AdminController {
	@Resource
	private AdminService adminService;
	
	@Resource
	private LogService logService;
	
	
	@RequestMapping(value = "/login.do" ,method = RequestMethod.GET)
	@SystemLog(description="登录")
	@ResponseBody
	public Map<Object,Object> login(@RequestParam(value="auth") String auth, Admin admin,HttpSession session)
	{
		System.out.println(admin.getAdminName());
		Map<Object, Object> map = new HashMap<Object, Object>();
		if(!auth.equalsIgnoreCase((String) session.getAttribute("auth")))
		{
			map.put("msg","error");
			return map;
		}
		
		int count = adminService.login(admin);
		if(count != 0)
		{
			Admin adm = adminService.getAdminByName(admin.getAdminName());
			session.setAttribute("admin", adm);
			map.put("msg", "success");
		}
		else
		{
			map.put("msg","failed");
		}
		return map;
	}
	
	@RequestMapping(value="/getPageData.do",method=RequestMethod.GET)
	@ResponseBody
	public Map<Object, Object> getPageData(@RequestParam(value = "curr") int curr,@RequestParam(value = "pageSize") int pageSize,@RequestParam(value = "key") String key)
	{
		List<Log> logList = logService.getPageData((curr-1)*pageSize, pageSize,key);
		System.out.println(curr);
		System.out.println(pageSize);
		System.out.println(key);
		int totalRecord = logService.getTotalRecord(key);
		Map<Object, Object> info = new HashMap<Object, Object>();
		info.put("data", logList);
		info.put("total", totalRecord);
		JSONArray array = new JSONArray();
		array.addAll(logList);
		System.out.println(array.toString());
		return info;
	}
	@RequestMapping("exit.do")
	public ModelAndView exit(HttpSession session)
	{
		
		ModelAndView modelAndView = new ModelAndView();
		session.removeAttribute("admin");
		modelAndView.setViewName("../admin/jsp/admin-login");
		return modelAndView;
	}
	
	private Font myFont = new Font("Arial Black", Font.PLAIN, 16);  
	   
  
    // 生成随机颜色  
    Color getRandColor(int fc, int bc) {  
        Random random = new Random();  
        if (fc > 255)  
            fc = 255;  
        if (bc > 255)  
            bc = 255;  
        int r = fc + random.nextInt(bc - fc);  
        int g = fc + random.nextInt(bc - fc);  
        int b = fc + random.nextInt(bc - fc);  
        return new Color(r, g, b);  
    }  
  
    @RequestMapping(value="/getAuthImg.do",method=RequestMethod.GET)
    public void getAuthImg(HttpServletRequest request, HttpServletResponse response,HttpSession session) throws ServletException, IOException {  
  
        // 阻止生成的页面内容被缓存，保证每次重新生成随机验证码  
        response.setHeader("Pragma", "No-cache");  
        response.setHeader("Cache-Control", "no-cache");  
        response.setDateHeader("Expires", 0);  
        response.setContentType("image/jpeg");  
        // 指定图形验证码图片的大小  
        int width = 100, height = 40;  
        // 生成一张新图片  
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);  
        // 在图片中绘制内容  
        Graphics g = image.getGraphics();  
        Random random = new Random();  
        g.setColor(getRandColor(200, 250));  
        g.fillRect(1, 1, width - 1, height - 1);  
        g.setColor(new Color(102, 102, 102));  
        g.drawRect(0, 0, width - 1, height - 1);  
        g.setFont(myFont);  
        // 随机生成线条，让图片看起来更加杂乱  
        g.setColor(getRandColor(160, 200));  
        for (int i = 0; i < 155; i++) {  
            int x = random.nextInt(width - 1);// 起点的x坐标  
            int y = random.nextInt(height - 1);// 起点的y坐标  
            int x1 = random.nextInt(6) + 1;// x轴偏移量  
            int y1 = random.nextInt(12) + 1;// y轴偏移量  
            g.drawLine(x, y, x + x1, y + y1);  
        }  
        // 随机生成线条，让图片看起来更加杂乱  
        for (int i = 0; i < 70; i++) {  
            int x = random.nextInt(width - 1);  
            int y = random.nextInt(height - 1);  
            int x1 = random.nextInt(12) + 1;  
            int y1 = random.nextInt(6) + 1;  
            g.drawLine(x, y, x - x1, y - y1);  
        }  
  
        // 该变量用来保存系统生成的随机字符串  
        String sRand = "";  
        for (int i = 0; i < 6; i++) {  
            // 取得一个随机字符  
            String tmp = getRandomChar();  
            sRand += tmp;  
            // 将系统生成的随机字符添加到图形验证码图片上  
            g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));  
            g.drawString(tmp, 15 * i + 10, 25);  
        }  
  
        // 取得用户Session  
      //  HttpSession session = request.getSession();  
        // 将系统生成的图形验证码添加  
        session.setAttribute("auth", sRand);  
        System.out.println(session.getAttribute("auth"));
        g.dispose();  
        // 输出图形验证码图片  
        ImageIO.write(image, "JPEG", response.getOutputStream());  
  
    }  
  
    // 随机生成一个字符  
    private String getRandomChar() {  
        int rand = (int) Math.round(Math.random() * 2);// 将0～2的小数四舍五入生成整数  
        long itmp = 0;  
        char ctmp = '\u0000';  //null
        // 根据rand的值来决定是生成一个大写字母、小写字母和数字  
        switch (rand) {  
        // 生成大写字母的情形  
        case 1:  
            itmp = Math.round(Math.random() * 25 + 65);  
            ctmp = (char) itmp;  
            return String.valueOf(ctmp);  
            // 生成小写字母  
        case 2:  
            itmp = Math.round(Math.random() * 25 + 97);  
            ctmp = (char) itmp;  
            return String.valueOf(ctmp);  
            // 生成数字  
        default:  
            itmp = Math.round(Math.random() * 9);  
            return String.valueOf(itmp);  
        }  
    }  
	
	
	@RequestMapping("/deleteLog.do")
	@SystemLog(description="删除日志信息")
	public ModelAndView deleteUser(@RequestParam(value = "logId") Integer logId){
		ModelAndView modelAndView = new ModelAndView();
		System.out.println(logId);
		logService.deleteLog(logId);
		modelAndView.setViewName("../admin/jsp/users-list");
		return modelAndView;
	}
	
	@RequestMapping(value="/batchdeleteLog.do")
	@SystemLog(description = "批量删除日志") 
	public ModelAndView batchdeleteUser(@RequestParam(value = "logIds") String logIds){
		ModelAndView modelAndView = new ModelAndView();
		String str[] = logIds.split("#");
		int[] ids = new int[str.length];
		for(int i = 0;i < str.length;i++)
			ids[i] = Integer.parseInt(str[i]);
		logService.batchdeleteLog(ids);
		modelAndView.setViewName("../admin/jsp/users-list");
		return modelAndView;
	}
	

}
